* {
  box-sizing: border-box;
}

:root {
  --bg: #070c1c;
  --bg-top: #101c3c;
  --surface: #0e1630;
  --surface-soft: #141f41;
  --line: #2a3c70;
  --text: #e8eeff;
  --muted: #a9b9e6;
  --accent: #4d84ff;
  --accent-strong: #3466d0;
  --danger-soft: #301a28;
  --danger-line: #69405a;
}

body[data-theme="light"] {
  --bg: #eef2fb;
  --bg-top: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f9ff;
  --line: #ccd6f3;
  --text: #111b35;
  --muted: #56638d;
  --accent: #356ce6;
  --accent-strong: #2750ae;
  --danger-soft: #fff1f5;
  --danger-line: #f0c5d7;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, var(--bg-top) 0%, var(--bg) 48%);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
}

h1 {
  margin: 0 0 4px;
  font-size: 21px;
}

h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

h4 {
  margin: 0 0 6px;
  font-size: 13px;
}

p {
  margin: 0;
  color: var(--muted);
}

.header-actions {
  display: inline-flex;
  gap: 8px;
}

button,
input,
select,
textarea {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
}

button {
  cursor: pointer;
  padding: 9px 12px;
  font-weight: 600;
  color: #eef3ff;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: color-mix(in srgb, var(--accent) 85%, #1e3f86);
}

button:hover {
  filter: brightness(1.05);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: var(--surface-soft);
}

input,
select,
textarea {
  width: 100%;
  color: var(--text);
  background: var(--surface-soft);
  padding: 9px 10px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

main {
  padding: 12px 18px 20px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr) minmax(260px, 340px);
  gap: 14px;
  align-items: start;
}

.left-sidebar,
.side-panel {
  display: grid;
  gap: 10px;
  max-height: calc(100vh - 90px);
  overflow: auto;
}

.side-block,
.side-panel {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.pager-wrap {
  margin-bottom: 10px;
}

.pager-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.pager-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 85%, var(--surface) 15%), var(--surface-soft));
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--line) 35%, transparent);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.08s ease;
}

.pager-btn:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-soft));
}

.pager-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.pager-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
}

.pager-btn-prev {
  justify-self: start;
}

.pager-btn-next {
  justify-self: end;
}

.pager-chevron {
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
  color: var(--accent);
  margin-top: -2px;
}

.pager-label {
  line-height: 1;
}

.pager-middle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: min(100%, 168px);
}

.pager-indicator {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

.pager-select {
  width: 100%;
  min-width: 120px;
  max-width: 200px;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.pager-select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

.pager-hint {
  margin-top: 8px;
  margin-bottom: 0;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92em;
}

.toggles {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
}

.inline-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.inline-option input {
  width: auto;
  margin: 0;
}

.buttons-row {
  margin-bottom: 0;
}

.hidden-input {
  display: none;
}

.file-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.demo-btn-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.demo-btn-group .demo-action-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  min-height: 40px;
}

.file-name {
  font-size: 12px;
  color: var(--muted);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.section-title-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.sources-block {
  gap: 12px;
}

.source-mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mode-btn {
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 700;
}

.mode-btn.active {
  color: #ffffff;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: color-mix(in srgb, var(--accent) 85%, #1e3f86);
}

.input-source {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-soft) 70%, var(--surface) 30%);
}

.hint-inline {
  font-size: 11px;
  color: var(--muted);
}

#jsonInput {
  min-height: 160px;
  resize: vertical;
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.parse-stats {
  margin-top: 8px;
  font-size: 12px;
}

.parse-warnings {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.parse-warnings li {
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--danger-line);
  background: var(--danger-soft);
  color: color-mix(in srgb, #ffd4e8 78%, var(--text));
  font-size: 12px;
}

.csv-import {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.file-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 9px 12px;
  font-size: 13px;
  text-decoration: none;
}

.csv-upload-btn {
  min-height: 44px;
  min-width: 188px;
  justify-content: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  color: #ffffff;
  background: linear-gradient(180deg, #5a93ff, #356fe2);
  border: 1px solid #2f63d6;
  box-shadow: 0 4px 12px rgba(47, 99, 214, 0.28);
  font-weight: 700;
}

.csv-upload-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(47, 99, 214, 0.33);
}

.upload-glyph {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  background: rgba(255, 255, 255, 0.15);
}

.csv-status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 11px;
  font-weight: 600;
}

.csv-file-line {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
}

.csv-source.has-csv {
  border-color: #3fb884;
  box-shadow: inset 0 0 0 1px rgba(63, 184, 132, 0.35);
}

.csv-source.has-csv .csv-status-pill {
  color: #0f5f3f;
  border-color: #71cda2;
  background: #dcf8ea;
}

.coordinate-guide p + p {
  margin-top: 8px;
}

.viewer-pane {
  min-width: 0;
}

.viewer-wrap {
  position: relative;
  min-height: 380px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
}

#pdfCanvas,
#overlayCanvas {
  display: block;
}

.overlay-canvas {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 10;
}

.cursor-tooltip {
  position: absolute;
  z-index: 30;
  pointer-events: none;
  min-width: 190px;
  max-width: 280px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #4e73c6;
  background: rgba(12, 20, 44, 0.96);
  color: #eaf0ff;
  font-size: 12px;
  line-height: 1.45;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(8, 12, 24, 0.32);
}

.loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  color: #1a243f;
}

.status-line {
  margin-top: 8px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.coords,
#summary {
  font-size: 12px;
}

#summary {
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

.object-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.object-item {
  padding: 7px 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  cursor: pointer;
  font-size: 12px;
}

.object-item:last-child {
  border-bottom: 0;
}

.object-item:hover {
  background: color-mix(in srgb, var(--surface-soft) 70%, var(--accent) 30%);
}

.object-item.active {
  background: color-mix(in srgb, var(--accent) 30%, var(--surface) 70%);
  outline: 1px solid color-mix(in srgb, var(--accent) 70%, #b9cdff);
}

.object-id {
  font-weight: 600;
}

.object-meta {
  margin-top: 2px;
  color: var(--muted);
}

.object-details {
  margin: 0;
  min-height: 96px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  background: color-mix(in srgb, var(--surface-soft) 70%, var(--surface) 30%);
  font-size: 12px;
}

.inspector-block {
  margin-bottom: 4px;
}

.inspector-details {
  min-height: 86px;
}

.hidden {
  display: none;
}

.panel-collapsed .workspace {
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
}

.panel-collapsed .side-panel {
  display: none;
}

.spinner {
  width: 34px;
  height: 34px;
  border: 4px solid #d4d9e2;
  border-top-color: #3664d1;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
  }

  .side-panel {
    display: none;
  }
}

@media (max-width: 860px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .left-sidebar,
  .side-panel {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions button {
    flex: 1;
  }

  main,
  .app-header {
    padding-left: 12px;
    padding-right: 12px;
  }
}